Alpha Technologies Tri Power X33 HIMOD HP, Руководство пользователя

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HIMOD_HP_MANUAL_vers0116_E
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P
OWER
S
UPPLY
U
NIT
(PSU)
The Power Supply Unit (PSU) is a low voltage power supply, required for the operation of the electronics assigned to the monitoring
of the Cabinet. In the HIMOD HP Power Cabinet the PSU powers the MCU, MU and ASB, while in the Battery Cabinet powers
the MU the circuit for opening the SWBATT.
Two PSUs are installed in the Cabinet and are monitored by the MU, one of them is redundant.
Fastening knobs
Interface panel
I
NTERFACE PANEL
Power good (green colour)
Load on (green colour)
I
NSERTION
/
EXTRACTION PROCEDURE
The following operations can be performed only by skilled and specifically trained assistance staff.
When the PSU is not inserted, uncovered parts with dangerous voltage are present on the corresponding
backplane.
The PSU is preinstalled by the manufacturer. Remove the PSU only in case of maintenance or replacement.
Strictly comply with the instructions below following the listed sequence.
EXTRACTION
Unscrew the fastening knob.
Using the knob, carefully pull and remove the PSU.
INSERTION
Carefully insert the PSU in the dedicated slot.
Fasten the PSU by tightening the knob.